Brightstorm Q & A : http://s13.postimage.org/wssudntdj/2012_02_09_02_06_06_199.jpg     The figure shows a tube filled with water to its edge and is fixed on a cylinder calculate : (a) The ratio of the force exerted by the liquid on the bae and the weight of liquid on is                (b) The ratio is not equal to one , why ?? and when the ratio can be equal to one ?   please help me with thi problem :)